condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.08704833333333334 0.0 0.261145 9 h after light 0.0 0.0 0.0 12 h after light 0.128437 0.0 0.276746 3 h after dark 0.0 0.0 0.0 6 h after dark 0.3786853333333333 0.0 0.608475 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0